iPhone/iPod touch: The (currently) free CardStar app replaces keychain tags and wallet-cluttering bonus/discount/rewards/"shopper's club" cards with scanner-friendly barcodes. If you've got the gumption to flash a phone instead of swipe your plastic, it could be a real space saver.

We've posted and suggested manual scan-and-save tactics to slim down your wallet with an iPhone, but CardStar's app takes the scanning out of the equation. It has pre-loaded logos for a wide variety of national and regional stores, but can create a scan-able "card" for any store. Simply create a new entry, name it, and punch in the numbers just below or above the barcode from your bonus card, and CardStar does the rest, creating an alphabetical list of stores when you open it up.

Blogger Albert Alberts loves a slim wallet, and after reading over some of our wallet-slimming…
Read more Read more

There are advanced options that let you customize the barcode style and even reverse the number order, but most of us are going to get by fine with just tapping in a few numbers. Looking for a non-iPhone card consolidation tool? Try our previously covered condenser KeyRingThing. CardStar is free for a limited time in the iTunes app store, normally costs $.99, and requires an iPhone or iPod touch running at least the 2.0 firmware.